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  1. How to Define and Call a Function in Python - GeeksforGeeks

    Jul 23, 2025 · By using the word def keyword followed by the function's name and parentheses () we can define a function. If the function takes any arguments, they are included inside the …

  2. How To Define A Function In Python?

    Mar 19, 2025 · Learn how to define a function in Python using the `def` keyword, parameters, and return values. This step-by-step guide includes examples for easy understanding

  3. Python Functions - W3Schools

    Creating a Function In Python, a function is defined using the def keyword, followed by a function name and parentheses:

  4. How to Call a Function in PythonDef Syntax Example

    Jul 20, 2022 · Before you call a function, you need to write it with the def keyword. So in this article, I will not just show you how to call a function, I will also show you how to create it. To …

  5. Python Functions (With Examples) - Programiz

    A function is a block of code that performs a specific task. In this tutorial, we will learn about the Python function and function expressions with the help of examples.

  6. Python Function: The Basics Of Code Reuse

    Oct 19, 2025 · Learn how to create and use a Python function with Python's def keyword, why functions are useful, and learn about variable scope.

  7. How to Define a Function in Python - All Things How

    Aug 23, 2025 · Use the def keyword to declare a function, add parameters in parentheses, end the header with a colon, and indent the body.

  8. How to Define and Use Functions in Python: A Complete …

    Aug 24, 2025 · In this tutorial, we’ll cover everything you need to know about defining and calling functions in Python. From the basics of def and parameters to advanced features like *args, …

  9. def | Python Keywords – Real Python

    Learn how to define your own Python function, pass data into it, and return results to write clean, reusable code in your programs. For additional information on related topics, take a look at the …

  10. Python Functions: A Beginner’s Guide to `def` and Function Calls

    In Python, defining functions is straightforward thanks to the def keyword. This guide is designed to help beginners understand the concept, syntax, and use cases of Python functions, all in …